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- Q4401017 description "Industrial psychologist".
- Q4401017 description "Industrial psychologist".
- Q4401017 subject Q5626945.
- Q4401017 subject Q6163391.
- Q4401017 subject Q6647191.
- Q4401017 subject Q8718020.
- Q4401017 subject Q8882955.
- Q4401017 abstract "John Elias Karlin (February 28, 1918 – January 28, 2013) was an industrial psychologist at Bell Labs whose research led to the rectangular push-button telephone keypad.A pioneer in human factors engineering, Karlin undertook empirical research on the usability of numerical input systems and the capacity of people to recall digits. Karlin's design, with the "1" in the upper left position instead of the lower left (as on calculators), has been adopted on a wide array of devices, from ATMs to medical equipment.The son of grocers, Karlin was born in Johannesburg, South Africa. He studied at the University of Cape Town, earning a bachelor's degrees in music, philosophy, and psychology, and a master's in psychology. At the same time he was a violinist with the local symphony orchestra and string quartet.He later moved to the United States, earning a PhD from the University of Chicago and studying electrical engineering at the Massachusetts Institute of Technology. During World War II Karlin conducted research on psychoacoustics for the United States military. He joined Bell Labs afterwards, becoming the first staff psychologist there. He successfully argued for the foundation of its Human Factors Engineering Department in 1947, and was promoted to head it in 1951. He remained at Bell Labs until his retirement in 1977. Karlin was married twice, and had two children, one of whom predeceased him, and three stepchildren.".
- Q4401017 birthDate "1918-02-28".
- Q4401017 birthPlace Q34647.
- Q4401017 birthYear "1918".
- Q4401017 deathDate "2013-01-28".
- Q4401017 deathYear "2013".
- Q4401017 wikiPageWikiLink Q131252.
- Q4401017 wikiPageWikiLink Q1750812.
- Q4401017 wikiPageWikiLink Q217365.
- Q4401017 wikiPageWikiLink Q34647.
- Q4401017 wikiPageWikiLink Q362.
- Q4401017 wikiPageWikiLink Q49108.
- Q4401017 wikiPageWikiLink Q5626945.
- Q4401017 wikiPageWikiLink Q6163391.
- Q4401017 wikiPageWikiLink Q6647191.
- Q4401017 wikiPageWikiLink Q7261720.
- Q4401017 wikiPageWikiLink Q8718020.
- Q4401017 wikiPageWikiLink Q8882955.
- Q4401017 wikiPageWikiLink Q951305.
- Q4401017 dateOfBirth "1918-02-28".
- Q4401017 dateOfDeath "2013-01-28".
- Q4401017 name "Karlin, John Elias".
- Q4401017 placeOfBirth "Johannesburg, South Africa".
- Q4401017 shortDescription "Industrial psychologist".
- Q4401017 type Person.
- Q4401017 type Agent.
- Q4401017 type Person.
- Q4401017 type Agent.
- Q4401017 type NaturalPerson.
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- Q4401017 type Q215627.
- Q4401017 type Q5.
- Q4401017 type Person.
- Q4401017 comment "John Elias Karlin (February 28, 1918 – January 28, 2013) was an industrial psychologist at Bell Labs whose research led to the rectangular push-button telephone keypad.A pioneer in human factors engineering, Karlin undertook empirical research on the usability of numerical input systems and the capacity of people to recall digits.".
- Q4401017 label "John Karlin".
- Q4401017 givenName "John Elias".
- Q4401017 name "John Elias Karlin".
- Q4401017 name "Karlin, John Elias".
- Q4401017 surname "Karlin".